[Resource Topic] 2006/094: Cryptanalysis of the MEM Mode of Operation

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Cryptanalysis of the MEM Mode of Operation

Authors: Peng Wang, Dengguo Feng, Wenling Wu


The MEM mode is a nonce-based enciphering mode of operation proposed by Chakraborty and Sarkar, which was claimed to be secure against symmetric nonce respecting adversaries. We show that this is not correct by using two very simple attcks. One attack need one decryption and one decryption queries, and the other only need one encryption query.

ePrint: https://eprint.iacr.org/2006/094

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